Element:H

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水素: 宇宙で最も多い元素、地球表面や生体で3番目に多い元素

Atomic Number

1

Atomic Name

Hydrogen(水素)

Stable Isotopes

isotope mass isotopic abundance (%)
1H 1.0078250319 99.9885(70)
2H(2D) 2.0141017779 0.0115(70)
※ Note(注釈)

Radioisotopes

isotope half life disintegration form
3H 12.33 years beta-
※ For mark
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